Acetylene-gas generator



No. 6l2,648 Patented Oct. 18, I898.

M. H. KAUFFMAN; AGETYLENE. GAS GENERATOR.

(Application filed- July 28, 1897.)

(No Model.)

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rue cams PETERS co. noro nmoq wAsHlNcfom m c NITED STATES PATENT OFFICE.

MILTON HENRY KAUFFMAN, OF CHICAGO, ILLINOIS.

ACETYLENE-GAS GENERATOR.

SPECIFICATION forming part of Letters Patent No. 612,648, dated October18, 189B.

Application filed July 23, 1897. Serial No, 645,678. (No model.)

To all whom, it may concern:

Be it known that I, MILTON HENRY KAUFF- MAN, a resident of Chicago, inthe county of Cook and State of Illinois,have invented certain new anduseful Improvements in Gas- Generating Devices, of which I do declarethe following to be a full, clear, and exact description sufficient toenable others skilledin the art to make and use the same.

On the drawings which accompany like parts bear like designationthroughout.

Figure 1 is a view in vertical section displaying the invention asapplied toabicyclelamp; Fig. 2, a view of the central absorbentobstructor with its supporting rod and disk detached; Fig. 8, aperspective view of a cartridge-shell for the carbid.

Each lamp is designed to carry its own separate gas generator, thegenerator, as here shown, being removably secured in dependent positionbeneath the lamp-body Ct by slipjoint or like expedient.

The gas-generator 1) comprises in the main an internal retort to containthe charge of carbid and an outer supply-tank for the water. The twoparts named are adj ustably united by screw-joint or the like, as at d.The tank incloses the retort and is properly located to insure thegravity delivery of water through the retort-bottom. At its lower endretort 01 carries a screw-cover 6, having a central tubular boss 6,tapered slightly, through which boss the water from tank 0 passes intothe retort. At the upper or opposite end of said retort there is aretainingdisk f, carried by a dependent rod f. About the rod is Wrappedand secured the absorbent obstructor g. A bit of linen cloth Wound inroll form upon the rod f will serve.

Obstructor 9 projects beneath into the tapered boss e, so that onscrewing cover e to position the boss will compress and constrict thecloth roll to better insure the desired seepage of water past theinlet-vent into the retort interior. By abutting against the top ofretort dthe disk f on rod f resists the thrust of cover c as it isscrewed on, and thus insures the constriction of the roll. To stop thefurther flow of water, retort d is turned at its screw-joint cl untildependent boss 6 (with perhaps the protruding end of roll g) is forcedagainst the yielding seat 0, arranged tridge-shell filled with itscharge.

opposite thereto on the base of water-tank c. The Water-supply being cutoff, it is clear that the generation of gas will cease almostimmediately thereafter. Since the absorbent obstructor extends directlythrough the mass of carbid, it is in central position to raise the waterby capillary action and distribute it radially to all parts of thecharge, thus insuring an even chemical reaction and a constant supply ofgas through burner h and tip h. A disk d of felt or the like, set at theup per part of the retort interior, acts as a filter for the gas toscreen out the moisture and solid particles.

- A cartridge-shell j, formed of tin, pasteboard, or other propermaterial, may be con veniently used and when employed serves to containa measured charge of the carbid. The open mouth of said shell j rests ininverted position against retort-cover 6.. At its opposite end there isa central hole in the shell, into which is fitted a tube j, consistingof porous paper, &c. The tube projects centrally through the shell andaffords ahousing to receive and protect the roll 9 from direct contactwith the carbid.

Then the several parts of the generator are separated, the obstructorrod and roll f gare thrust through housing j and the car- Retort d isheld upright toexpose its open mouth. The loaded cartridge is slippedtherein and cover 6 applied, its dependent boss 6 constricting the endof roll g that protrudes. Having closed the retort, as described, it issimply inverted, together with its load, and screwed into place at jointcl, so as to be inclosed by tank 0. If united tightly together, seat 0at the tank-bottom completely shuts the confronting inlet-port e. Aminor turn in reverse withdraws said seat from the port a slightdistance, but still sufficient to permit the tank-water to seep throughthe port and be drawn capillarily into the retort. In this connection Idesire to refer to my pending application for United States LettersPatent, Serial No. 590,983, filed May 11, 1896, wherein I have broadlyclaimed certain tea turesshown and described in mypresent ap plication.

Obviously the details of structure can be varied according to themechanics skill with out departing from the essentials of the invention.

Having thus described myinvention, what I claim as new, and desire tosecure by Letters Patent, is

1. In acetylene-gas lamps, the combination with the outerorinclosingWater-supply tank having a yielding seat at its base, of the internalretort for the carbid adj ustably united to said tank and furnished witha bottom inlet against which said seat may bear to shut off the inflowof water, substantially as described.

2. In acetylene-gas lamps, the combination with the outer or inclosingwater-supply tank having a yielding seat at its base, of the internalretort for the carbid adj ustably united to said tank and furnished withaprojecting bottom inlet dependent therefrom and an ab- MILTON HENRYKAUFFMAN.

Witnesses:

GEORGE P. BARTON, MARGARET HEAVENER.

